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Transcript
AS/A2 level – core content
Algebra and functions
(a) Laws of indices for all
rational exponents.
(b) Use and manipulation
of surds.
(c) Quadratic functions
and their graphs. The
discriminant of a
quadratic function.
Completing the square.
Solution of
quadratic equations.
(d) Simultaneous
equations: analytical
solution by substitution,
eg of one linear and one
quadratic equation.
(e) Solution of linear and
quadratic inequalities.
(f) Algebraic
manipulation of
polynomials, including
expanding brackets and
collecting like terms,
factorisation and
simple algebraic division;
use of the Factor
Theorem and the
Remainder Theorem;
Simplification of rational
expressions
including factorising and
cancelling, and
algebraic division.
(g) Graphs of functions;
sketching curves
defined by simple
equations. Geometrical
interpretation of
algebraic solution of
negligible
partial
comprehensive
A2 requirements are shown in italic
Summary of action(s) to be taken,
including resources and success
criteria.
Date(s)
for
achievement
equations. Use of
intersection points of
graphs of functions to
solve equations.
(h) Definition of a
function. Domain and
range of functions.
Composition of functions.
Inverse functions and
their graphs.
(i) The modulus function.
(j) Knowledge of the
effect of simple
transformations on the
graph of y = f(x) as
represented by y = af(x),
y = f(x) + a,
y = f(x + a), y = f(ax);
Combinations of these
transformations.
(k)Rational functions.
Partial fractions
(denominators not more
complicated than
repeated linear terms).
Coordinate geometry
in the (x,y) plane
(a) Equation of a straight
line, including the
forms y -y1 = m(x - x1)
and ax + by + c = 0.
Conditions for two
straight lines to be
parallel or perpendicular
to each other.
(b) Co-ordinate geometry
of the circle using
the equation of a circle in
the form
(x - a)2 + ( y - b)2 = r2 ,
and including use of
the following circle
properties:
(i) the angle in a
semicircle is a right
angle;
(ii) the perpendicular
from the centre to a
chord bisects the chord;
(iii) the perpendicularity
of radius and tangent.
(c) Parametric equations
of curves and conversion
between Cartesian and
parametric forms.
Sequences and series
(a) Sequences, including
those given by a formula
for the nth term and
those generated by a
simple relation of the
form x n+1 = f(xn).
(b) Arithmetic series,
including the formula for
the sum of the first n
natural numbers.
(c) The sum of a finite
geometric series; the
sum to infinity of a
convergent geometric
series, including the use
of ¦r¦ < 1.
(d) Binomial expansion of
(1+ x)n for positive
integer n. The notations
n! and ( n )
( r ).
(e) Binomial series for
any rational n.
Trigonometry
(a) The sine and cosine
rules, and the area of a
triangle in the form
1 ab sin C .
2
(b) Radian measure,
including use for arc
length and area of
sector.
(c) Sine, cosine and
tangent functions. Their
graphs, symmetries and
periodicity.
(d) Knowledge of secant,
cosecant and cotangent
and of arcsin, arccos and
arctan. Their
relationships to sine,
cosine and tangent.
Understanding of their
graphs and appropriate
restricted domains.
(e) Knowledge and use of
tan 0 = sin 0
cos 0 and
sin20 + cos20=1
Knowledge and use of
sec20=1+tan20 and
cosec20=1+cot20
(f) Knowledge and use of
double angle formulae;
use of formulae for
sin( A ± B), cos( A ±B)
and tan( A ±B) and of
expressions for a cos0+b
sin0 in the equivalent
forms of rcos(0±a) or r
sin(0±a).
(g) Solution of simple
trigonometric equations
in a given interval.
Exponentials and
logarithms
(a) y = ax and its graph;
The function ex and its
graph.
(b) The function ln x and
its graph; ln x as the
inverse function of ex
Laws of logarithms:
Log a x + log ay = log
a(xy)
log ax - log ay = log a (x)
y
k log ax = log a(x k)
(c) The solution of
equations of the form
ax = b .
(d) Exponential growth
and decay.
Differentiation
(a) The derivative of f(x)
as the gradient of the
tangent to the graph of y
= f (x) at a point;
the gradient of the
tangent as a limit;
interpretation as a rate
of change; second
order derivatives.
(b) Differentiation of xn ,
and related sums and
differences;
Differentiation of ex, ln x,
sinx, cosx, tanx
and their sums and
differences.
(c) Applications of
differentiation to
gradients, tangents and
normals, maxima and
minima and stationary
points, increasing and
decreasing functions.
(d) Differentiation using
the product rule, the
quotient rule, the chain
rule and by the use
of
dy = 1
dx (dx)
dy
(e) Differentiation of
simple functions defined
implicitly or
parametrically.
(f) Formation of simple
differential equations.
Integration
(a) Indefinite integration
as the reverse of
differentiation.
(b) Integration of xn;
Integration of ex , 1 ,
x
sinx, cosx.
(c) Approximation of
area under a curve using
the trapezium rule.
Interpretation of the
definite integral as the
area under a curve.
Evaluation of definite
integrals.
(d) Evaluation of volume
of revolution.
(e) Simple cases of
integration by
substitution and
integration by parts.
These methods as
the reverse processes of
the chain and product
rules respectively.
(f) Simple cases of
integration using partial
fractions.
(g) Analytical solution of
simple first order
differential equations
with separable variables.
Numerical methods
(a) Location of roots of
f(x) = 0 by considering
changes of sign of f(x) in
an interval of x in
which f(x) is continuous.
(b) Approximate solution
of equations using
simple iterative methods,
including recurrence
relations of the form
x n+1 = f(xn).
(c) Numerical integration
of functions.
Vectors
(a) Vectors in two and
three dimensions.
(b) Magnitude of a
vector.
(c) Algebraic operations
of vector addition and
multiplication by scalars,
and their geometrical
interpretations.
(d) Position vectors. The
distance between two
points. Vector equations
of lines.
(e) The scalar product.
Its use for calculating
the angle between two
lines.